1. Describe how you have used a hierarchical filing system on your own computer. (1) 2. Name and describe the three main parts of the CPU. (3) 3. What is the purpose of RAM? (1) 4. What is the purpose of ROM? (1) 5. What is meant by addressability? (1) 6. Why is RAM said to be volatile? (1) 7. Why are backing storage devices necessary? (1) 8. (a) Why is a processor's clock speed not the best way of measuring its performance? (1) (b) What is a better way of measuring its performance? (1) 9. All processors operate a fetch - execute cycle. What is continually being fetched and executed by the processor? (1) Total = (12) |